Hydrological-Based Design of Road Surface Drainage Channels Using SNI 03-3424-1994: Case Study on the Jepara–Keling Road Section

Authors

  • Ndaru Ahmad Rizki Department of Civil Engineering, Faculty of Science and Technology, University Islamic of Nahdlatul Ulama, No. 09 Taman Siswa Street, Pekeng, Tahunan , Jepara, 59427, Indonesia Author
  • Muhammad Ilham Kartiko Department of Civil Engineering, Faculty of Science and Technology, University Islamic of Nahdlatul Ulama, No. 09 Taman Siswa Street, Pekeng, Tahunan , Jepara, 59427, Indonesia Author
  • Ikhwanudin Civil Engineering, Faculty of Engineering, Universitas Semarang, Indonesia Author
  • Muhammad Rijalul Aqil Shofiyyullah Prodi Teknik Sipil Universitas Islam Darul `ulum Lamongan, Jl. Airlangga No. 03, Sukodadi, Kabupaten Lamongan, Jawa Timur Indonesia Author

Keywords:

Road surface drainage, Hydrological reanalysis, Drainage design, Rainfall analysis, Surface drainage

Abstract

Effective road surface drainage plays a crucial role in maintaining the structural performance and service life of flexible pavement systems. Inadequate drainage causes rainwater to stagnate or flow along pavement edges, accelerating pavement deterioration under repeated traffic loads. This study focuses on redesigning the dimensions of road surface drainage channels along the Jepara–Keling Road section, where the existing drainage system remains natural and is prone to sedimentation and vegetation growth. The planning process follows the Indonesian standard SNI 03-3424-1994 concerning procedures for road surface drainage design. Daily rainfall data over ten years were analyzed to determine design rainfall, rainfall intensity, time of concentration, runoff coefficient, and flood discharge. The calculated design discharge was subsequently used to determine appropriate channel dimensions. The results indicate that a concrete drainage channel with a base width of 70 cm, an effective flow depth of 35 cm, and a freeboard height of 41 cm is sufficient to safely accommodate the design flood discharge. The proposed design is expected to improve drainage performance, reduce water-related pavement damage, and support the planned service life of the road.

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Published

2026-02-27

Issue

Vol. 1 No. 01 (2026): Journal of Civil Engineering Science

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Articles

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Journal of Civil Engineering Science is Licensed under  a Creative Commons Attribution 4.0 International License.